/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVMDispatchFactory.h
Returns the tooltip for an argument
virtual [FText](API\Runtime\Core\Internationalization\FText) GetArgumentTooltip ( const [FName](API\Runtime\Core\UObject\FName) & InArgumentName, [TRigVMTypeIndex](API\Plugins\RigVM\RigVMCore\TRigVMTypeIndex) InTypeIndex ) const